/Engine/Plugins/Interchange/Runtime/Source/Pipelines/Public/InterchangeGenericAnimationPipeline.h
This function tell the interchange manager if we can execute this pipeline in async mode. If it return false, the ScriptedExecuteImportPipeline will be call on the main thread (GameThread), if true it will be run in a background thread and possibly in parallel. If there is multiple import process in same time.
virtual bool CanExecuteOnAnyThread ( EInterchangePipelineTask PipelineTask )